If you’ve ventured into type hinting in Python, you’re probably aware of the fundamentals. You’re comfortable hinting function arguments and return types using basic types like int or str, and you ...

If you’re maintaining a medium-sized software project, you’ve probably found yourself in a situation where you’ve added a new feature or model to your Python project and then realized that you forg...

One of the most powerful, but underrated tools available to network operators is a feature called “block select” (sometimes also called “column select”) supported by most text editors, such as Note...

While working with Cisco ASR 1000 series routers, you may find yourself in a situation where the router (or a Route Processor, in the case of modular routers) will only boot into ROMMON mode: Init...

While working in ROMMON mode of Cisco’s ASR 1000 series of routers, you may encounter the Please reset before continuing or Please reset before booting error messages that prevent most commands fro...

Network operators who embrace automation to streamline their daily work often adopt software development best practices to ensure the applications they develop are stable and of the highest quality...

A common issue seen when attempting to SSH into a network device running Cisco’s IOS or IOS-XE operating system using an OpenSSH client is as follows: christopher@ubuntu-playground:~$ ssh 192.168....

A common issue seen when attempting to SSH into a network device running Cisco’s IOS or IOS-XE operating system using an OpenSSH client is as follows: christopher@ubuntu-playground:~$ ssh 192.168....

Note: If you are not familiar with the concepts of the data plane and control plane on network devices, I highly recommend reviewing my Understanding the Data, Control, and Management Planes of ...

Networking jargon can be context-sensitive, and many terms are often used interchangeably in conversation. In this article, I will define terms often used when discussing the physical layer of Ethe...